국가나 국민을 통치하거나 지배하는 사람. 주권자나 지도자.
A person who exercises supreme authority or control over a country, state, or people; a sovereign or leader.
예문:
"The ancient texts describe the first ruler as a benevolent king who brought peace to the land."
"Following the revolution, the country transitioned from a monarchy to a system without a single ruler."
길이 측정이나 직선을 긋는 데 사용되는, 눈금이 새겨진 평평하고 곧은 도구. (컴퓨터 소프트웨어에서 여백 등을 표시하는 눈금자 기능도 포함.)
A flat, straight strip of wood, plastic, or metal, usually marked with units of length, used for measuring or drawing straight lines. (Also, a graphical element in software showing margins and tabs.)
예문:
"I accidentally broke my wooden ruler while trying to measure the large poster board."
"Please use a metal ruler to ensure the line you draw is perfectly straight and accurate."
"In the word processing program, you can adjust the indentation settings using the horizontal ruler."